Working Sets & 1 Rep Max Calculator
How to use 1RM and working set calculator
This calculator is here to give you a solid estimate of your 1 rep max (1RM) without having to max out in the gym. It also helps you figure out your working sets, so you can load the right weight for your training.
Why does the reps range stop at 12
Past 12 reps, the numbers get sketchy. High-rep sets are more about endurance than strength, so estimating a true 1RM from that isn’t reliable. For the most accurate results, keep it to 5 reps or fewer.
